3402269138478 has 128 divisors (see below), whose sum is σ = 8851850035200. Its totient is φ = 848301977088.

The previous prime is 3402269138467. The next prime is 3402269138479. The reversal of 3402269138478 is 8748319622043.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402269138479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2030418 + ... + 3305621.

It is an arithmetic number, because the mean of its divisors is an integer number (69155078400).

Almost surely, 2^{3402269138478} is an apocalyptic number.

3402269138478 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3402269138478 is an abundant number, since it is smaller than the sum of its proper divisors (5449580896722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3402269138478 is a wasteful number, since it uses less digits than its factorization.

3402269138478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336134.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 3402269138478 in words is "three trillion, four hundred two billion, two hundred sixty-nine million, one hundred thirty-eight thousand, four hundred seventy-eight".